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@ -5,7 +5,7 @@
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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@ -15,6 +15,7 @@
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*/
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package net.micode.notes.widget;
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import android.app.PendingIntent;
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import android.appwidget.AppWidgetManager;
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import android.appwidget.AppWidgetProvider;
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@ -33,32 +34,28 @@ import net.micode.notes.ui.NoteEditActivity;
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import net.micode.notes.ui.NotesListActivity;
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/**
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*
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* @ProjectName: minode
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* @Package: net.micode.notes.widget
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* @ClassName: NoteWidgetProvider
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* @Description: 该类继承了AppWidgetProvider,实现挂件添加、删除、更新、启用等功能
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* @Date: 2024-12-18 21:13
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* NoteWidgetProvider 类继承自 AppWidgetProvider,用于实现便签小部件的添加、删除、更新和启用等功能。
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*/
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public abstract class NoteWidgetProvider extends AppWidgetProvider {
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// 定义查询便签数据库时需要的列
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public static final String [] PROJECTION = new String [] {
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NoteColumns.ID,
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NoteColumns.BG_COLOR_ID,
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NoteColumns.SNIPPET
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NoteColumns.ID, // 便签ID
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NoteColumns.BG_COLOR_ID, // 背景颜色ID
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NoteColumns.SNIPPET // 便签摘要
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};
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// 定义列的索引
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public static final int COLUMN_ID = 0;
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public static final int COLUMN_BG_COLOR_ID = 1;
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public static final int COLUMN_SNIPPET = 2;
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private static final String TAG = "NoteWidgetProvider";
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private static final String TAG = "NoteWidgetProvider"; // 日志标签
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/**
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* @method onDeleted
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* @description 该方法用于删除Widget
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* @date: 2024-12-18 21:18
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* @return void
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* 当小部件被删除时调用此方法。
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* 更新数据库中与小部件ID相关的便签信息,将小部件ID设置为无效。
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* @param context 上下文
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* @param appWidgetIds 小部件ID数组
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*/
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@Override
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public void onDeleted(Context context, int[] appWidgetIds) {
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@ -72,44 +69,57 @@ public abstract class NoteWidgetProvider extends AppWidgetProvider {
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}
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}
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/**
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* 获取与小部件ID相关的便签信息。
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* @param context 上下文
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* @param widgetId 小部件ID
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* @return 查询结果的游标
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*/
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private Cursor getNoteWidgetInfo(Context context, int widgetId) {
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return context.getContentResolver().query(Notes.CONTENT_NOTE_URI,
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PROJECTION,
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NoteColumns.WIDGET_ID + "=? AND " + NoteColumns.PARENT_ID + "<>?",
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new String[] { String.valueOf(widgetId), String.valueOf(Notes.ID_TRASH_FOLER) },
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new String[] { String.valueOf(widgetId), String.valueOf(Notes.ID_TRASH_FOLDER) },
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null);
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}
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/**
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* @method update
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* @description 该方法用于添加或更新Widget
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* @date: 2024-12-18 21:11
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* @return void
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* 更新小部件。
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* @param context 上下文
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* @param appWidgetManager 小部件管理器
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* @param appWidgetIds 小部件ID数组
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*/
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protected void update(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
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update(context, appWidgetManager, appWidgetIds, false);
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}
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/**
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* 更新小部件。
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* @param context 上下文
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* @param appWidgetManager 小部件管理器
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* @param appWidgetIds 小部件ID数组
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* @param privacyMode 是否为隐私模式
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*/
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private void update(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds,
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boolean privacyMode) {
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for (int i = 0; i < appWidgetIds.length; i++) {
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if (appWidgetIds[i] != AppWidgetManager.INVALID_APPWIDGET_ID) {
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int bgId = ResourceParser.getDefaultBgId(context);
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String snippet = "";
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Intent intent = new Intent(context, NoteEditActivity.class);
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int bgId = ResourceParser.getDefaultBgId(context); // 获取默认背景ID
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String snippet = ""; // 便签摘要
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Intent intent = new Intent(context, NoteEditActivity.class); // 创建意图
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intent.setFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP);
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intent.putExtra(Notes.INTENT_EXTRA_WIDGET_ID, appWidgetIds[i]);
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intent.putExtra(Notes.INTENT_EXTRA_WIDGET_TYPE, getWidgetType());
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Cursor c = getNoteWidgetInfo(context, appWidgetIds[i]);
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Cursor c = getNoteWidgetInfo(context, appWidgetIds[i]); // 获取便签信息
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if (c != null && c.moveToFirst()) {
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if (c.getCount() > 1) {
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Log.e(TAG, "Multiple message with same widget id:" + appWidgetIds[i]);
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c.close();
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return;
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}
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snippet = c.getString(COLUMN_SNIPPET);
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bgId = c.getInt(COLUMN_BG_COLOR_ID);
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snippet = c.getString(COLUMN_SNIPPET); // 获取便签摘要
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bgId = c.getInt(COLUMN_BG_COLOR_ID); // 获取背景ID
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intent.putExtra(Intent.EXTRA_UID, c.getLong(COLUMN_ID));
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intent.setAction(Intent.ACTION_VIEW);
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} else {
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@ -125,7 +135,7 @@ public abstract class NoteWidgetProvider extends AppWidgetProvider {
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rv.setImageViewResource(R.id.widget_bg_image, getBgResourceId(bgId));
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intent.putExtra(Notes.INTENT_EXTRA_BACKGROUND_ID, bgId);
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/**
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* Generate the pending intent to start host for the widget
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* 生成用于启动小部件宿主的PendingIntent
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*/
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PendingIntent pendingIntent = null;
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if (privacyMode) {
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@ -145,9 +155,22 @@ public abstract class NoteWidgetProvider extends AppWidgetProvider {
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}
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}
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/**
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* 获取小部件的背景资源ID。
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* @param bgId 背景ID
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* @return 背景资源ID
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*/
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protected abstract int getBgResourceId(int bgId);
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/**
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* 获取小部件的布局资源ID。
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* @return 布局资源ID
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*/
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protected abstract int getLayoutId();
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/**
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* 获取小部件的类型。
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* @return 小部件类型
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*/
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protected abstract int getWidgetType();
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}
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}
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